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!Arisaema Mart. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Flora 14: 459. 1831. (Jul 1831) (Flora) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: C.150 species, in Asia, tropical Africa, N. America to Mexico. Represented in Pakistan by 6 species.

 

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Paradioecious or monoecious herbs with usually tuberous roots. Stem sheathing. Leaves digitately compound, sometimes pedate. Spathe finally deciduous, the spadix included or excluded. Male flowers with 2-5 stamens; anthers bilocular. Female flower with a unilocular ovary and 2 or more basal ovules; style short or absent. Berry few-seeded, red. Seeds globose to ovoid.
 

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1 Leaves not perforated (2)
+ Leaves perforated Arisaema pertusum
2 (1) Leaflets 3, suborbicular, rhombic or rhombic ovate. Spathe brown purple (with white stripes) (3)
+ Leaflets 5-14, elliptic-ovate to lanceolate or linear-lanceolate. Spathe green or greenish yellow (4)
3 (2) Spathe limb narrower, ovate to oblong, 3-4 cm broad. Peduncle sometimes longer than the foliage Arisaema propinquum
+ Spathe limb 4-8.5 cm broad, obovate. Peduncle present below the foliage Arisaema utile
4 (2) Plants monoecious or paradioecious. Leaves pedate, leaflets 7-14. Spathe tube shorter than the limb (5)
+ Plants paradioecious. Leaves not pedate; leaflets 5-7. Spathe tube longer than the limb Arisaema jacquemontii
5 (4) Leaflets elliptic-ovate to lanceolate. Spathe tube ovoid, 1-2 cm long; spadix appendage 1.5 cm long, erect, included Arisaema flavum
+ Leaflets linear-lanceolate. Spathe tube cylindric, 2.3-4.5 cm long; spadix appendage 8-11 cm long, curved upwards and beyond the spathe Arisaema tortuosum
 
 
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